[Bug 1702363] Re: package shim-signed 1.28~16.04.1+0.9+1474479173.6c180c6-1ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Steve Langasek]

Hello,

This shows that you installed a dkms module on a SecureBoot-enabled
system, which requires the shim package to guide you through the
disabling of SecureBoot; but your package installation was done in a way
that the package maintainer script had no way to prompt you.  What
process did you follow to install the bbswitch-dkms package?  All known
bugs in all current releases have been fixed, so it's unclear why you
experienced this problem.

** Changed in: shim-signed (Ubuntu)
       Status: New => Incomplete

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Title:
  package shim-signed 1.28~16.04.1+0.9+1474479173.6c180c6-1ubuntu1
  failed to install/upgrade: subprocess installed post-installation
  script returned error exit status 1

Status in shim-signed package in Ubuntu:
  Incomplete

Bug description:
  Trying to fix a black flickering issue with my lenovo y50

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: shim-signed 1.28~16.04.1+0.9+1474479173.6c180c6-1ubuntu1
  ProcVersionSignature: Ubuntu 4.8.0-58.63~16.04.1-generic 4.8.17
  Uname: Linux 4.8.0-58-generic x86_64
  .proc.sys.kernel.moksbstate_disabled: 0
  .sys.firmware.efi.efivars.MokSBStateRT-605dab50-e046-4300-abb6-3dd810dd8b23: Error: [Errno 2] Aucun fichier ou dossier de ce type: '/sys/firmware/efi/efivars/MokSBStateRT-605dab50-e046-4300-abb6-3dd810dd8b23'
  .sys.firmware.efi.efivars.SecureBoot-8be4df61-93ca-11d2-aa0d-00e098032b8c: 

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